+
+ _CHROME_USER_AGENT = 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/48.0.2564.97 Safari/537.36'
+
+ _VIDEO_PAGE_TEMPLATE = 'https://www.facebook.com/video/video.php?v=%s'
+
+ _TESTS = [{
+ 'url': 'https://www.facebook.com/video.php?v=637842556329505&fref=nf',
+ 'md5': '6a40d33c0eccbb1af76cf0485a052659',
+ 'info_dict': {
+ 'id': '637842556329505',
+ 'ext': 'mp4',
+ 'title': 're:Did you know Kei Nishikori is the first Asian man to ever reach a Grand Slam',
+ 'uploader': 'Tennis on Facebook',
+ }
+ }, {
+ 'note': 'Video without discernible title',
+ 'url': 'https://www.facebook.com/video.php?v=274175099429670',
+ 'info_dict': {
+ 'id': '274175099429670',
+ 'ext': 'mp4',
+ 'title': 'Facebook video #274175099429670',
+ 'uploader': 'Asif Nawab Butt',
+ },
+ 'expected_warnings': [
+ 'title'
+ ]
+ }, {
+ 'note': 'Video with DASH manifest',
+ 'url': 'https://www.facebook.com/video.php?v=957955867617029',
+ 'md5': '54706e4db4f5ad58fbad82dde1f1213f',
+ 'info_dict': {
+ 'id': '957955867617029',
+ 'ext': 'mp4',
+ 'title': 'When you post epic content on instagram.com/433 8 million followers, this is ...',
+ 'uploader': 'Demy de Zeeuw',
+ },
+ }, {
+ 'url': 'https://www.facebook.com/maxlayn/posts/10153807558977570',
+ 'md5': '037b1fa7f3c2d02b7a0d7bc16031ecc6',